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If you need to implement file transfer capability and you are a software developer, you will need to search for the components to do the job. You have built-in support for FTPS in a .NET Framework. However, functionality of this class does not include any support for SFTP or SSH.
In VCL, you will have a selection of free libraries and components which provide FTP functionality. You can get FTPS for free when you add OpenSSL to them. You can use one of the commercially available libraries for FTPS and SSL support if you do not want to deal with OpenSSL DLLs.